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20301344330 = 2583107228593
BaseRepresentation
bin10010111010000011…
…011110111001001010
31221101211120010221212
4102322003132321022
5313034121004310
613154252133122
71316041402541
oct227203367112
957354503855
1020301344330
118678641523
123b26a671a2
131bb6c565a7
14da8329158
157dc443205
hex4ba0dee4a

20301344330 has 32 divisors (see below), whose sum is σ = 37328485824. Its totient is φ = 7947686656.

The previous prime is 20301344293. The next prime is 20301344363. The reversal of 20301344330 is 3344310302.

It is a junction number, because it is equal to n+sod(n) for n = 20301344296 and 20301344305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25487 + ... + 203106.

It is an arithmetic number, because the mean of its divisors is an integer number (1166515182).

Almost surely, 220301344330 is an apocalyptic number.

20301344330 is a deficient number, since it is larger than the sum of its proper divisors (17027141494).

20301344330 is a wasteful number, since it uses less digits than its factorization.

20301344330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228790.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20301344330 its reverse (3344310302), we get a palindrome (23645654632).

The spelling of 20301344330 in words is "twenty billion, three hundred one million, three hundred forty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 83 107 166 214 415 535 830 1070 8881 17762 44405 88810 228593 457186 1142965 2285930 18973219 24459451 37946438 48918902 94866095 122297255 189732190 244594510 2030134433 4060268866 10150672165 20301344330